/Engine/Source/Editor/UnrealEd/Classes/Animation/DebugSkelMeshComponent.h
To normal game/runtime code we don't want to expose a non-const pointer to the simulation, so we can only get one from this editor-only component. Intended for debug options/visualisations/editor-only code to poke the sim
[IClothingSimulation](API\Runtime\ClothingSystemRuntimeInterface\IClothingSimulation) * GetMutableClothingSimulation()